21421752

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1531}}^1$

素因数の和:1604

約数の個数: 64

約数和(自身を含む): 59564160

約数和(自身を除く): 38142408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 53, 66, 88, 106, 132, 159, 212, 264, 318, 424, 583, 636, 1166, 1272, 1531, 1749, 2332, 3062, 3498, 4593, 4664, 6124, 6996, 9186, 12248, 13992, 16841, 18372, 33682, 36744, 50523, 67364, 81143, 101046, 134728, 162286, 202092, 243429, 324572, 404184, 486858, 649144, 892573, 973716, 1785146, 1947432, 2677719, 3570292, 5355438, 7140584, 10710876, 21421752]

約数ペア:

[(1, 21421752), (2, 10710876), (3, 7140584), (4, 5355438), (6, 3570292), (8, 2677719), (11, 1947432), (12, 1785146), (22, 973716), (24, 892573), (33, 649144), (44, 486858), (53, 404184), (66, 324572), (88, 243429), (106, 202092), (132, 162286), (159, 134728), (212, 101046), (264, 81143), (318, 67364), (424, 50523), (583, 36744), (636, 33682), (1166, 18372), (1272, 16841), (1531, 13992), (1749, 12248), (2332, 9186), (3062, 6996), (3498, 6124), (4593, 4664)]